1. Prepare materials for standby
2. Press the dough into the baking pan, with a thicker edge; coat it with ketchup,
3. Sprinkle some black pepper with onions and bell peppers
4. Spread sausage, cheese and shrimp
5. Preheat the oven, put the baking tray in the middle and lower layers, bake at 180 ℃ for 25 minutes, and then melt the cheese into golden yellow to eat.